Home / 112,532.10-168,798.15-70,541.70

Finding the Fourth Proportional to 112,532.10, 168,798.15 and 70,541.70

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Solution

The fourth proportional to 112,532.10, 168,798.15 and 70,541.70 is: 105,812.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,532.10 : 168,798.15 = 70,541.70 : x
  2. Step 2: Convert to fraction form
    112,532.10/168,798.15 = 70,541.70/x
  3. Step 3: Cross multiply
    112,532.10x = 168,798.15 × 70,541.70
  4. Step 4: Simplify right side
    112,532.10x = 11,907,308,457.86
  5. Step 5: Solve for x
    x = 11,907,308,457.86/112,532.10
  6. Step 6: Final answer
    x = 105,812.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.